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Abstract: (arXiv)
A study of D^+\KS and final states is performed in a sample of 1.0/fb of collision data collected at a centre-of-mass energy of TeV with the \lhcb detector. We confirm the existence of the and excited states and measure their masses and widths to be {eqnarray} m(D_{s1}^*(2700)^+) &=& 2709.2 \pm 1.9({stat})\pm\,\,\,4.5({syst}) {MeV}/c^2,\cr \Gamma(D_{s1}^*(2700)^+) &=& \,\,\,115.8 \pm 7.3({stat}) \pm12.1({syst}) {MeV}/c^2,\cr m(D_{sJ}^*(2860)^+) &=& 2866.1 \pm 1.0({stat}) \pm\,\,\,6.3({syst}) {MeV}/c^2,\cr \Gamma(D_{sJ}^*(2860)^+) &=& \,\,\,\,\,\,69.9 \pm 3.2({stat}) \pm\,\,\,6.6({syst}) {MeV}/c^2.\cr {eqnarray}Note:
- 12 pages, 3 figures
- D/s1(2700): mass: measured
- D/s1(2700): width: measured
- p p: scattering
- LHC-B
- charmed meson: hadroproduction
- charmed meson: hadronic decay
- mass spectrum: (D+ K0(S))
- mass spectrum: (D0 K+)
- D/sJ*(2860): mass: measured
- D/sJ*(2860): width: measured
References(29)
Figures(1)
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